@TechReport{SCI:Wal2006d,
  author =    "I. Wald and T. Ize and A. Kensler and A. Knoll and
              S.G. Parker",
  title =     "Ray Tracing Animated Scenes using Coherent Grid
              Traversal",
  number =    "UUSCI-2006-014",
  year =      "2006",
  institution = "University of Utah",
  type =      "{SCI} Institute Technical Report",
  keywords =  "rtrt real-time ray tracing",
  url =       "http://www.sci.utah.edu/publications/SCITechReports/UUSCI-2006-014.pdf",
}